Is adrenaline good for you during sport and exercise?

Adventure sports such as downhill mountain biking, rock climbing and white-water canoeing call up more cortisol and epinephrine (aka adrenaline) than public speaking and embarrassment and act as a stress reaction. And in this case, that’s a good thing. That’s because activities that are physically and mentally stressful help your body react better to stress in everyday life if they meet three qualifications: